I believe its A because all the other one dont make scene really.
Answer:
The membrane is actually semi-permeable.
Explanation:
The membrane being semi-permeable means that, not all the things come in and out of the cell, only if it's really needed. The cell works in a gradient way, and that means that, to balance things, the cell will put in it a substance in a very high concentration outside of it, just to balance things. And this would happen to potassium, the cell would put it inside to balance this gradient, and once all sides have the same amount of potassium, it will stop, and the gradient is finally equal.
Answer:
Because it uses a carrier at the cell membrane
Explanation:
<span>If she has injuries on various parts of her body that are in different stages of healing.</span>
1 out of 2 chances. If he was tested for CF at a certain time, he may not have had CF strong enough for the radar to detect it. However, the mother may also carry CF, which could lead to a stronger chance of CF in the next child.
